/// <summary>
/// Private constructor. Initializes the HotkeyHandler with the supplied preset to
/// hotkey mapping and message filter.
/// </summary>
/// <param name="presetToHotkeyMap">Mapping of presets to hotkeys.</param>
/// <param name="hotkeyMessageFilter">Message filter that notifies subscribers when a global hotkey for this app has occurred.</param>
private HotkeyHandler(PresetToHotkeyMap presetToHotkeyMap, HotkeyMessageFilter hotkeyMessageFilter)
{
mPresetToHotkeyMap = presetToHotkeyMap;
mHotkeyMessageFilter = hotkeyMessageFilter;
mHotkeyMessageFilter.PresetSwitchHotkeyPressed += OnPresetSwitchHotkeyPressed;
}
public static PresetToHotkeyMap GetInstance()
{
if (mInstance == null)
{
mInstance = new PresetToHotkeyMap();
}
return(mInstance);
}
/// <summary>
/// Initializes the singleton instance of HotkeyHandler with the supplied
/// preset to hotkey mappings, and the message filter that receives global
/// hotkey events.
/// </summary>
/// <param name="presetToHotkeyMap">Mapping of presets to hotkeys.</param>
/// <param name="hotkeyMessageFilter">Message filter that notifies subscribers when a global hotkey for this app has occurred.</param>
public static void Initialize(PresetToHotkeyMap presetToHotkeyMap, HotkeyMessageFilter hotkeyMessageFilter)
{
if (mInstance == null)
{
mInstance = new HotkeyHandler(presetToHotkeyMap, hotkeyMessageFilter);
}
else
{
throw new Exception("Unexpected reiniitalization of Hotkey Handler");
}
}
/// <summary>
/// Private constructor. Initializes the HotkeyRegistrar with the supplied preset to hotkey map
/// instance. Performs initial registration of hotkeys.
/// </summary>
/// <param name="presetToHotkeyMap"></param>
private HotkeyRegistrar(PresetToHotkeyMap presetToHotkeyMap)
{
// Register all existing hotkeys
mPresetToHotkeyMap = presetToHotkeyMap;
mPresetToHotkeyId = new Dictionary <string, int>();
mPresetToHotkeyMap.OnPresetToHotkeyMappingChanged += OnPresetHotkeyMapChanged;
foreach (KeyValuePair <string, VirtualHotkey> presetAndHotkey in mPresetToHotkeyMap.GetHotkeyMappings())
{
RegisterHotkeyAndUpdateIdMapping(presetAndHotkey.Key, presetAndHotkey.Value);
}
}
/// <summary>
/// Initializes the singleton instance of HotkeyRegistrar.
/// </summary>
/// <param name="presetToHotkeyMap">The mapping of presets to hotkeys.</param>
/// <param name="messageFilter"></param>
public static void Initialize(PresetToHotkeyMap presetToHotkeyMap)
{
if (mInstance == null)
{
mInstance = new HotkeyRegistrar(presetToHotkeyMap);
}
else
{
throw new Exception("Unexpected reinitialization of HotkeyRegistrar.");
}
}
/// <summary>
/// Initializes global hotkey infrastructure.
/// </summary>
private void InitializeHotkey()
{
mMessageFilter = new HotkeyMessageFilter();
HotkeyRegistrar.Initialize(PresetToHotkeyMap.GetInstance());
HotkeyHandler.Initialize(PresetToHotkeyMap.GetInstance(), mMessageFilter);
// Technically this can degrade performance, but we're not doing a ton of work in there.
// Just have to make sure it's non-blocking.
Application.AddMessageFilter(mMessageFilter);
}
public PresetHotkeyForm(DisplayPresetCollection displayPresetCollection, PresetToHotkeyMap presetToHotkeyMap)
{
InitializeComponent();
mNewHotkey = new NewHotkey();
mPresetToHotkeyMap = presetToHotkeyMap;
mPresetToHotkeyDictionaryForComboBox = new Dictionary <string, VirtualHotkey>(mPresetToHotkeyMap.GetHotkeyMappings());
mPresetToHotkeyMap.OnPresetToHotkeyMappingChanged += OnPresetToHotkeyMapChanged;
presetsComboBox.Items.AddRange(displayPresetCollection.GetPresets().ToArray());
presetsComboBox.SelectedIndexChanged += PresetsComboBox_SelectedIndexChanged;
if (presetsComboBox.Items.Count > 0)
{
presetsComboBox.SelectedIndex = 0;
}
}
/// <summary>
/// Event handler for when "Edit global hotkeys" context menu item is clicked. Launches
/// a form to allow the user to edit global hotkeys for the display presets.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void EditGlobalHotkeys_ItemClicked(object sender, EventArgs e)
{
if (mPresetHotkeyForm == null)
{
mPresetHotkeyForm = new PresetHotkeyForm(DisplayPresetCollection.GetDisplayPresetCollection(), PresetToHotkeyMap.GetInstance());
mPresetHotkeyForm.FormClosed += MPresetHotkeyForm_FormClosed;
}
else if (!mPresetHotkeyForm.Visible)
{
mPresetHotkeyForm.ShowDialog();
}
else
{
mPresetHotkeyForm.Activate();
}
}